Add Ericsson A-bis P-GSL dissector
Ericsson uses a vendor-specific packetized PCU-CCU interface on their packetized A-bis, which can be encapsulated in their own variant of HDLC on top of L2TP. The new P-GSL dissector is called from packet-ehdlc.c, which in turn integrates with packet-l2tp.c. Change-Id: Ifca190577b1c9691209221d79e3ef034dc3ca650 Reviewed-on: https://code.wireshark.org/review/16510 Petri-Dish: Michael Mann <mmann78@netscape.net> Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org> Reviewed-by: Michael Mann <mmann78@netscape.net>
This commit is contained in:
parent
c2ada3dd79
commit
d508a9bf4c
|
@ -121,6 +121,7 @@ Network-Based IP Flow Mobility (NBIFOM)
|
|||
IEEE 802.1BR E-Tag
|
||||
Nordic BLE Sniffer
|
||||
Ericsson A-bis TFP (Traffic Forwarding Protocol)
|
||||
Ericsson A-bis P-GSL
|
||||
--sort-and-group--
|
||||
|
||||
=== Updated Protocol Support
|
||||
|
|
|
@ -637,6 +637,7 @@ set(DISSECTOR_SRC
|
|||
packet-gsm_abis_om2000.c
|
||||
packet-gsm_abis_oml.c
|
||||
packet-gsm_abis_tfp.c
|
||||
packet-gsm_abis_pgsl.c
|
||||
packet-gsm_bsslap.c
|
||||
packet-gsm_bssmap_le.c
|
||||
packet-gsm_cbch.c
|
||||
|
|
|
@ -666,6 +666,7 @@ DISSECTOR_SRC = \
|
|||
packet-gsm_abis_om2000.c \
|
||||
packet-gsm_abis_oml.c \
|
||||
packet-gsm_abis_tfp.c \
|
||||
packet-gsm_abis_pgsl.c \
|
||||
packet-gsm_bsslap.c \
|
||||
packet-gsm_bssmap_le.c \
|
||||
packet-gsm_cbch.c \
|
||||
|
|
|
@ -99,6 +99,7 @@ enum {
|
|||
SUB_RSL,
|
||||
SUB_OML,
|
||||
SUB_TFP,
|
||||
SUB_PGSL,
|
||||
SUB_DATA,
|
||||
|
||||
SUB_MAX
|
||||
|
@ -206,7 +207,7 @@ dissect_ehdlc(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U
|
|||
} else if (sapi == 12) {
|
||||
/* GPRS TRAU */
|
||||
next_tvb = tvb_new_subset_length(tvb, offset+2, len-2);
|
||||
call_dissector(sub_handles[SUB_DATA], next_tvb, pinfo, tree);
|
||||
call_dissector(sub_handles[SUB_PGSL], next_tvb, pinfo, tree);
|
||||
offset += len;
|
||||
continue;
|
||||
}
|
||||
|
@ -386,6 +387,7 @@ proto_reg_handoff_ehdlc(void)
|
|||
sub_handles[SUB_RSL] = find_dissector_add_dependency("gsm_abis_rsl", proto_ehdlc);
|
||||
sub_handles[SUB_OML] = find_dissector_add_dependency("gsm_abis_oml", proto_ehdlc);
|
||||
sub_handles[SUB_TFP] = find_dissector_add_dependency("gsm_abis_tfp", proto_ehdlc);
|
||||
sub_handles[SUB_PGSL] = find_dissector_add_dependency("gsm_abis_pgsl", proto_ehdlc);
|
||||
sub_handles[SUB_DATA] = find_dissector("data");
|
||||
|
||||
dissector_add_uint("l2tp.pw_type", L2TPv3_PROTOCOL_ERICSSON, ehdlc_handle);
|
||||
|
|
|
@ -0,0 +1,412 @@
|
|||
/* packet-gsm_abis_pgsl.c
|
||||
* Routines for packet dissection of Ericsson GSM A-bis P-GSL
|
||||
* Copyright 2010-2016 by Harald Welte <laforge@gnumonks.org>
|
||||
*
|
||||
* P-GSL is an Ericsson-specific packetized version of replacing PCU-CCU
|
||||
* TRAU frames on 8k/16k E1 sub-slots with a paketized frame format
|
||||
* which can be transported over LAPD on a SuperChannel (E1 timeslot
|
||||
* bundle) or L2TP.
|
||||
*
|
||||
* Wireshark - Network traffic analyzer
|
||||
* By Gerald Combs <gerald@wireshark.org>
|
||||
* Copyright 1998 Gerald Combs
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU General Public License
|
||||
* as published by the Free Software Foundation; either version 2
|
||||
* of the License, or (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
||||
*/
|
||||
|
||||
#include "config.h"
|
||||
|
||||
#include <epan/packet.h>
|
||||
|
||||
enum {
|
||||
SUB_DATA,
|
||||
|
||||
SUB_MAX
|
||||
};
|
||||
|
||||
static dissector_handle_t sub_handles[SUB_MAX];
|
||||
|
||||
/* initialize the protocol and registered fields */
|
||||
static int proto_abis_pgsl = -1;
|
||||
|
||||
/* P-GSL header */
|
||||
static int hf_pgsl_version = -1;
|
||||
static int hf_pgsl_msg_disc = -1;
|
||||
static int hf_pgsl_tn_bitmap = -1;
|
||||
static int hf_pgsl_trx_seqno = -1;
|
||||
static int hf_pgsl_afnd = -1;
|
||||
static int hf_pgsl_afnu = -1;
|
||||
static int hf_pgsl_ccu_ta = -1;
|
||||
static int hf_pgsl_ack_req = -1;
|
||||
static int hf_pgsl_tn_resource = -1;
|
||||
static int hf_pgsl_tn_seqno = -1;
|
||||
static int hf_pgsl_data_len = -1;
|
||||
static int hf_pgsl_cause = -1;
|
||||
static int hf_pgsl_addl_info = -1;
|
||||
static int hf_pgsl_ack_ind = -1;
|
||||
static int hf_pgsl_data_ind = -1;
|
||||
static int hf_pgsl_ucm = -1;
|
||||
static int hf_pgsl_cs = -1;
|
||||
static int hf_pgsl_timing_offset = -1;
|
||||
static int hf_pgsl_power_control = -1;
|
||||
static int hf_pgsl_ir_tfi = -1;
|
||||
static int hf_pgsl_ir_sign_type = -1;
|
||||
static int hf_pgsl_codec_delay = -1;
|
||||
static int hf_pgsl_codec_cs = -1;
|
||||
static int hf_pgsl_codec_rxlev = -1;
|
||||
static int hf_pgsl_codec_parity = -1;
|
||||
static int hf_pgsl_codec_bqm = -1;
|
||||
static int hf_pgsl_codec_mean_bep = -1;
|
||||
static int hf_pgsl_codec_cv_bep = -1;
|
||||
static int hf_pgsl_codec_q = -1;
|
||||
static int hf_pgsl_codec_q1 = -1;
|
||||
static int hf_pgsl_codec_q2 = -1;
|
||||
|
||||
/* initialize the subtree pointers */
|
||||
static int ett_pgsl = -1;
|
||||
|
||||
#define PGSL_MSG_DLDATA_REQ 1
|
||||
#define PGSL_MSG_DLDATA_IND 2
|
||||
#define PGSL_MSG_ULDATA_IND 3
|
||||
#define PGSL_MSG_STATUS_IND 4
|
||||
|
||||
static const value_string pgsl_msg_disc_vals[] = {
|
||||
{ PGSL_MSG_DLDATA_REQ, "PGSL-DLDATA-REQ" },
|
||||
{ PGSL_MSG_DLDATA_IND, "PGSL-DLDATA-IND" },
|
||||
{ PGSL_MSG_ULDATA_IND, "PGSL-ULDATA-IND" },
|
||||
{ PGSL_MSG_STATUS_IND, "PGSL-STATUS-IND" },
|
||||
{ 0, NULL }
|
||||
};
|
||||
|
||||
static const value_string pgsl_msg_cause_vals[] = {
|
||||
{ 0, "Frame discarded in CCU, too late" },
|
||||
{ 1, "Frame discarded in CCU, too late or OOM" },
|
||||
{ 2, "Frame(s) missing in sequence detected by CCU" },
|
||||
{ 3, "Frame Format Error" },
|
||||
{ 0, NULL }
|
||||
};
|
||||
|
||||
static const value_string pgsl_cs_vals[] = {
|
||||
{ 0, "AB" },
|
||||
{ 1, "CS-1" },
|
||||
{ 2, "CS-2" },
|
||||
{ 3, "CS-3" },
|
||||
{ 4, "CS-4" },
|
||||
{ 5, "Header Type 1" },
|
||||
{ 6, "Header Type 2" },
|
||||
{ 7, "Header Type 3" },
|
||||
{ 0, NULL }
|
||||
};
|
||||
|
||||
static const value_string pgsl_ir_sign_type_vals[] = {
|
||||
{ 0, "IR Update Indication" },
|
||||
{ 1, "IR Start Indication" },
|
||||
{ 2, "IR Stop Indication" },
|
||||
{ 3, "No IR Information" },
|
||||
{ 0, NULL }
|
||||
};
|
||||
|
||||
static int
|
||||
dissect_abis_pgsl(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
|
||||
{
|
||||
proto_item *ti;
|
||||
proto_tree *pgsl_tree;
|
||||
int offset = 0;
|
||||
tvbuff_t *next_tvb;
|
||||
guint32 msg_disc, len, ack_data_ind, cs;
|
||||
|
||||
col_set_str(pinfo->cinfo, COL_PROTOCOL, "P-GSL");
|
||||
|
||||
ti = proto_tree_add_item(tree, proto_abis_pgsl, tvb, 0, -1, ENC_NA);
|
||||
pgsl_tree = proto_item_add_subtree(ti, ett_pgsl);
|
||||
|
||||
proto_tree_add_item(pgsl_tree, hf_pgsl_version, tvb, offset, 1, ENC_NA);
|
||||
proto_tree_add_item_ret_uint(pgsl_tree, hf_pgsl_msg_disc, tvb, offset, 1, ENC_NA, &msg_disc);
|
||||
msg_disc &= 0xF;
|
||||
offset++;
|
||||
|
||||
col_append_str(pinfo->cinfo, COL_INFO, val_to_str(msg_disc, pgsl_msg_disc_vals, "Unknown (%u)"));
|
||||
|
||||
switch (msg_disc) {
|
||||
case PGSL_MSG_DLDATA_REQ:
|
||||
proto_tree_add_item(pgsl_tree, hf_pgsl_tn_bitmap, tvb, offset++, 1, ENC_NA);
|
||||
proto_tree_add_item(pgsl_tree, hf_pgsl_trx_seqno, tvb, offset++, 1, ENC_NA);
|
||||
proto_tree_add_item(pgsl_tree, hf_pgsl_afnd, tvb, offset, 3, ENC_BIG_ENDIAN);
|
||||
offset += 3;
|
||||
proto_tree_add_item(pgsl_tree, hf_pgsl_ccu_ta, tvb, offset++, 1, ENC_NA);
|
||||
proto_tree_add_item(pgsl_tree, hf_pgsl_ack_req, tvb, offset++, 1, ENC_NA);
|
||||
break;
|
||||
case PGSL_MSG_DLDATA_IND:
|
||||
proto_tree_add_item(pgsl_tree, hf_pgsl_tn_resource, tvb, offset++, 1, ENC_NA);
|
||||
proto_tree_add_item(pgsl_tree, hf_pgsl_tn_seqno, tvb, offset++, 1, ENC_NA);
|
||||
proto_tree_add_item(pgsl_tree, hf_pgsl_afnd, tvb, offset, 3, ENC_BIG_ENDIAN);
|
||||
offset += 3;
|
||||
ack_data_ind = tvb_get_guint8(tvb, offset);
|
||||
proto_tree_add_item(pgsl_tree, hf_pgsl_ack_ind, tvb, offset, 1, ENC_NA);
|
||||
proto_tree_add_item(pgsl_tree, hf_pgsl_data_ind, tvb, offset++, 1, ENC_NA);
|
||||
if (ack_data_ind & 1) {
|
||||
/* Codec Control */
|
||||
proto_tree_add_item(pgsl_tree, hf_pgsl_ucm, tvb, offset, 1, ENC_NA);
|
||||
proto_tree_add_item(pgsl_tree, hf_pgsl_cs, tvb, offset, 1, ENC_NA);
|
||||
proto_tree_add_item(pgsl_tree, hf_pgsl_timing_offset, tvb, offset+1, 1, ENC_NA);
|
||||
offset += 2;
|
||||
/* Power Control */
|
||||
proto_tree_add_item(pgsl_tree, hf_pgsl_power_control, tvb, offset++, 1, ENC_NA);
|
||||
/* Incremental Redundancy */
|
||||
proto_tree_add_item(pgsl_tree, hf_pgsl_ir_tfi, tvb, offset, 1, ENC_NA);
|
||||
proto_tree_add_item(pgsl_tree, hf_pgsl_ir_sign_type, tvb, offset, 1, ENC_NA);
|
||||
proto_tree_add_item(pgsl_tree, hf_pgsl_tn_bitmap, tvb, offset+1, 1, ENC_NA);
|
||||
offset += 2;
|
||||
/* Data length */
|
||||
proto_tree_add_item_ret_uint(pgsl_tree, hf_pgsl_data_len, tvb, offset++, 1, ENC_NA, &len);
|
||||
/* Data */
|
||||
next_tvb = tvb_new_subset_length(tvb, offset, len);
|
||||
call_dissector(sub_handles[SUB_DATA], next_tvb, pinfo, tree);
|
||||
}
|
||||
break;
|
||||
case PGSL_MSG_ULDATA_IND:
|
||||
proto_tree_add_item(pgsl_tree, hf_pgsl_tn_resource, tvb, offset++, 1, ENC_NA);
|
||||
proto_tree_add_item(pgsl_tree, hf_pgsl_tn_seqno, tvb, offset++, 1, ENC_NA);
|
||||
proto_tree_add_item(pgsl_tree, hf_pgsl_afnu, tvb, offset, 3, ENC_NA);
|
||||
offset += 3;
|
||||
/* Codec Status */
|
||||
proto_tree_add_item(pgsl_tree, hf_pgsl_codec_delay, tvb, offset, 1, ENC_NA);
|
||||
proto_tree_add_item_ret_uint(pgsl_tree, hf_pgsl_codec_cs, tvb, offset, 1, ENC_NA, &cs);
|
||||
cs &= 0x1f;
|
||||
proto_tree_add_item(pgsl_tree, hf_pgsl_codec_rxlev, tvb, offset+1, 1, ENC_NA);
|
||||
if (cs <= 4) {
|
||||
/* GPRS */
|
||||
proto_tree_add_item(pgsl_tree, hf_pgsl_codec_parity, tvb, offset+2, 1, ENC_NA);
|
||||
proto_tree_add_item(pgsl_tree, hf_pgsl_codec_bqm, tvb, offset+2, 1, ENC_NA);
|
||||
} else {
|
||||
/* EGPRS */
|
||||
proto_tree_add_item(pgsl_tree, hf_pgsl_codec_mean_bep, tvb, offset+2, 1, ENC_NA);
|
||||
proto_tree_add_item(pgsl_tree, hf_pgsl_codec_cv_bep, tvb, offset+3, 1, ENC_NA);
|
||||
proto_tree_add_item(pgsl_tree, hf_pgsl_codec_q, tvb, offset+3, 1, ENC_NA);
|
||||
proto_tree_add_item(pgsl_tree, hf_pgsl_codec_q1, tvb, offset+3, 1, ENC_NA);
|
||||
proto_tree_add_item(pgsl_tree, hf_pgsl_codec_q2, tvb, offset+3, 1, ENC_NA);
|
||||
}
|
||||
offset += 4;
|
||||
/* Data Length */
|
||||
proto_tree_add_item_ret_uint(pgsl_tree, hf_pgsl_data_len, tvb, offset++, 1, ENC_NA, &len);
|
||||
/* Data */
|
||||
next_tvb = tvb_new_subset_length(tvb, offset, len);
|
||||
call_dissector(sub_handles[SUB_DATA], next_tvb, pinfo, tree);
|
||||
break;
|
||||
case PGSL_MSG_STATUS_IND:
|
||||
proto_tree_add_item(pgsl_tree, hf_pgsl_tn_resource, tvb, offset++, 1, ENC_NA);
|
||||
proto_tree_add_item(pgsl_tree, hf_pgsl_tn_seqno, tvb, offset++, 1, ENC_NA);
|
||||
proto_tree_add_item(pgsl_tree, hf_pgsl_afnu, tvb, offset++, 1, ENC_NA);
|
||||
proto_tree_add_item(pgsl_tree, hf_pgsl_cause, tvb, offset++, 1, ENC_NA);
|
||||
proto_tree_add_item(pgsl_tree, hf_pgsl_addl_info, tvb, offset++, 1, ENC_NA);
|
||||
break;
|
||||
}
|
||||
|
||||
return offset;
|
||||
}
|
||||
|
||||
void
|
||||
proto_register_abis_pgsl(void)
|
||||
{
|
||||
static hf_register_info hf[] = {
|
||||
{ &hf_pgsl_version,
|
||||
{ "Version", "gsm_abis_pgsl.version",
|
||||
FT_UINT8, BASE_DEC, NULL, 0xf0,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_pgsl_msg_disc,
|
||||
{ "Message Discriminator", "gsm_abis_pgsl.msg_disc",
|
||||
FT_UINT8, BASE_DEC, VALS(pgsl_msg_disc_vals), 0x0f,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_pgsl_tn_bitmap,
|
||||
{ "TN Bitmap", "gsm_abis_pgsl.tn_bitmap",
|
||||
FT_UINT8, BASE_HEX, NULL, 0,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_pgsl_trx_seqno,
|
||||
{ "TRX Sequence Number", "gsm_abis_pgsl.trx_seqno",
|
||||
FT_UINT8, BASE_DEC, NULL, 0,
|
||||
"Per-TRX Sequence Number", HFILL }
|
||||
},
|
||||
{ &hf_pgsl_afnd,
|
||||
{ "aFNd", "gsm_abis_pgsl.a_fn_d",
|
||||
FT_UINT24, BASE_DEC, NULL, 0,
|
||||
"Frame Number (Downlink)", HFILL }
|
||||
},
|
||||
{ &hf_pgsl_afnu,
|
||||
{ "aFNu", "gsm_abis_pgsl.a_fn_u",
|
||||
FT_UINT24, BASE_DEC, NULL, 0,
|
||||
"Frame Number (Uplink)", HFILL }
|
||||
},
|
||||
{ &hf_pgsl_ccu_ta,
|
||||
{ "CCU TA Value", "gsm_abis_pgsl.ccu_ta",
|
||||
FT_UINT8, BASE_DEC, NULL, 0x3f,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_pgsl_ack_req,
|
||||
{ "ACK Requested", "gsm_abis_pgsl.ack_req",
|
||||
FT_BOOLEAN, 8, NULL, 0x01,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_pgsl_tn_resource,
|
||||
{ "TN Resource", "gsm_abis_pgsl.tn_resource",
|
||||
FT_UINT8, BASE_DEC, NULL, 0x07,
|
||||
"Timeslot Number", HFILL }
|
||||
},
|
||||
{ &hf_pgsl_tn_seqno,
|
||||
{ "TN Sequence Number", "gsm_abis_pgsl.tn_seqno",
|
||||
FT_UINT8, BASE_DEC, NULL, 0,
|
||||
"Per-TN Sequence Number", HFILL }
|
||||
},
|
||||
{ &hf_pgsl_data_len,
|
||||
{ "Data Length", "gsm_abis_pgsl.data_len",
|
||||
FT_UINT8, BASE_DEC, NULL, 0,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_pgsl_cause,
|
||||
{ "Cause", "gsm_abis_pgsl.cause",
|
||||
FT_UINT8, BASE_DEC, VALS(pgsl_msg_cause_vals), 0,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_pgsl_addl_info,
|
||||
{ "Additional Info", "gsm_abis_pgsl.addl_info",
|
||||
FT_UINT8, BASE_HEX, NULL, 0,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_pgsl_ack_ind,
|
||||
{ "ACK Indicator", "gsm_abis_pgsl.ack_ind",
|
||||
FT_BOOLEAN, 8, NULL, 0x02,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_pgsl_data_ind,
|
||||
{ "Data Indicator", "gsm_abis_pgsl.data_ind",
|
||||
FT_BOOLEAN, 8, NULL, 0x01,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_pgsl_ucm,
|
||||
{ "Uplink Channel Mode", "gsm_abis_pgsl.ucm",
|
||||
FT_UINT8, BASE_DEC, NULL, 0xe0,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_pgsl_cs,
|
||||
{ "Coding Scheme", "gsm_abis_pgsl.cs",
|
||||
FT_UINT8, BASE_DEC, VALS(pgsl_cs_vals), 0x1f,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_pgsl_timing_offset,
|
||||
{ "Timing Offset", "gsm_abis_pgsl.timing_offset",
|
||||
FT_UINT8, BASE_DEC, NULL, 0,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_pgsl_power_control,
|
||||
{ "Power Control", "gsm_abis_pgsl.power_control",
|
||||
FT_UINT8, BASE_DEC, NULL, 0x0f,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_pgsl_ir_tfi,
|
||||
{ "TFI", "gsm_abis_pgsl.ir_tfi",
|
||||
FT_UINT8, BASE_DEC, NULL, 0x7c,
|
||||
"TBF Identifier", HFILL }
|
||||
},
|
||||
{ &hf_pgsl_ir_sign_type,
|
||||
{ "IR Signalling Type", "gsm_abis_pgsl.ir_sign_type",
|
||||
FT_UINT8, BASE_DEC, VALS(pgsl_ir_sign_type_vals), 0x03,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_pgsl_codec_delay,
|
||||
{ "Codec Delay", "gsm_abis_pgsl.codec_delay",
|
||||
FT_UINT8, BASE_DEC, NULL, 0xe0,
|
||||
"Estimated Accss Delay Deviation", HFILL }
|
||||
},
|
||||
{ &hf_pgsl_codec_cs,
|
||||
{ "Codec CS", "gsm_abis_pgsl.codec_csy",
|
||||
FT_UINT8, BASE_DEC, VALS(pgsl_cs_vals), 0x1f,
|
||||
"Coding Scheme Status", HFILL }
|
||||
},
|
||||
{ &hf_pgsl_codec_rxlev,
|
||||
{ "RxLev", "gsm_abis_pgsl.codec_csy",
|
||||
FT_UINT8, BASE_DEC, NULL, 0x3f,
|
||||
"Receiver Level Measurement", HFILL }
|
||||
},
|
||||
{ &hf_pgsl_codec_parity,
|
||||
{ "GPRS Parity", "gsm_abis_pgsl.gprs_parity",
|
||||
FT_BOOLEAN, 8, NULL, 0x08,
|
||||
"GPRS Block Status Parity", HFILL }
|
||||
},
|
||||
{ &hf_pgsl_codec_bqm,
|
||||
{ "GPRS BQM", "gsm_abis_pgsl.gprs_bqm",
|
||||
FT_UINT8, BASE_DEC, NULL, 0x07,
|
||||
"GPRS Block Quality Measurement", HFILL }
|
||||
},
|
||||
{ &hf_pgsl_codec_mean_bep,
|
||||
{ "EGPRS MEAN_BEP", "gsm_abis_pgsl.egprs_mean_bep",
|
||||
FT_UINT8, BASE_DEC, NULL, 0x7f,
|
||||
"Mean Value of BEP", HFILL }
|
||||
},
|
||||
{ &hf_pgsl_codec_cv_bep,
|
||||
{ "EGPRS CV_BEP", "gsm_abis_pgsl.egprs_cv_bep",
|
||||
FT_UINT8, BASE_DEC, NULL, 0x07,
|
||||
"Variation Co-Efficient of BEP", HFILL }
|
||||
},
|
||||
{ &hf_pgsl_codec_q,
|
||||
{ "EGPRS Header Quality", "gsm_abis_pgsl.egprs_q",
|
||||
FT_BOOLEAN, 8, NULL, 0x08,
|
||||
"EGPRS RLC/MAC Header Quality", HFILL }
|
||||
},
|
||||
{ &hf_pgsl_codec_q1,
|
||||
{ "EGPRS Data Block 1 Quality", "gsm_abis_pgsl.egprs_q1",
|
||||
FT_BOOLEAN, 8, NULL, 0x10,
|
||||
NULL, HFILL }
|
||||
},
|
||||
{ &hf_pgsl_codec_q2,
|
||||
{ "EGPRS Data Block 2 Quality", "gsm_abis_pgsl.egprs_q2",
|
||||
FT_BOOLEAN, 8, NULL, 0x20,
|
||||
NULL, HFILL }
|
||||
},
|
||||
};
|
||||
static gint *ett[] = {
|
||||
&ett_pgsl,
|
||||
};
|
||||
|
||||
/* assign our custom match functions */
|
||||
proto_abis_pgsl = proto_register_protocol("GSM A-bis P-GSL", "Ericsson GSM A-bis P-GSL",
|
||||
"gsm_abis_pgsl");
|
||||
|
||||
proto_register_field_array(proto_abis_pgsl, hf, array_length(hf));
|
||||
proto_register_subtree_array(ett, array_length(ett));
|
||||
register_dissector("gsm_abis_pgsl", dissect_abis_pgsl, proto_abis_pgsl);
|
||||
}
|
||||
|
||||
/* This function is called once at startup and every time the user hits
|
||||
* 'apply' in the preferences dialogue */
|
||||
void
|
||||
proto_reg_handoff_abis_pgsl(void)
|
||||
{
|
||||
sub_handles[SUB_DATA] = find_dissector("data");
|
||||
}
|
||||
|
||||
/*
|
||||
* Editor modelines - http://www.wireshark.org/tools/modelines.html
|
||||
*
|
||||
* Local variables:
|
||||
* c-basic-offset: 8
|
||||
* tab-width: 8
|
||||
* indent-tabs-mode: t
|
||||
* End:
|
||||
*
|
||||
* vi: set shiftwidth=8 tabstop=8 noexpandtab:
|
||||
* :indentSize=8:tabSize=8:noTabs=false:
|
||||
*/
|
Loading…
Reference in New Issue